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Dielectric Study of Pressure Induced fcc-sc Phase Transition in Fullerene C_{60}

100%
Trybuła Z., Krupski M.
Acta Physica Polonica A
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2000
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vol. 98
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issue 4
389-392
EN
Phase transition in polycrystalline fullerene C_{60} from fcc phase to a simple cubic phase sc induced by hydrostatic pressure up to 0.5GPa was studied by dielectric method. Pressure coefficient dT_{c}/dp=144±8 K/GPa was determined. This value is consistent with pressure coefficients obtained with other experimental techniques.
2
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Influence of Hydrostatic Pressure on the Zero-Field Splitting in NiSnCl_6·6H_2O

100%
Krupska A., Krupski M.
Acta Physica Polonica A
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2003
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vol. 103
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issue 5
453-458
EN
The dependence of the crystal-field splitting parameter D in NiSnCl_6·6H_2O on hydrostatic pressure was determined by the electron paramagnetic resonance method, for the pressures up to 500 MPa. The derivative (∂D/∂p)_T as well as the temperatures and pressures at which the D-parameter reaches zero, were determined. The molecular mechanism responsible for the temperature and pressure changes of the D-parameter is similar to that one observed in the isomorphic NiSiF_6·6H_2O.
3
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Review. High pressure techniques used in the paramagnetic resonances

100%
Krupska A., Krupski M.
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2016
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issue 1
4
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Device for Compressibility and Thermal Expansion Study up to 3 GPa

100%
Krupski M., Krupska A.
Acta Physica Polonica A
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2016
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vol. 130
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issue 6
1324-1325
EN
We present the realization of a project of a device utilizing a standard high-pressure chamber adapted to compressibility and thermal expansion measurements of solids at hydrostatic pressures up to 3 GPa. The device has been tested on the triglycine sulphate crystal (TGS).
5
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High-Pressure Microwave Study of YBa_{2}Cu_{3}O_{7-δ}-Pb(Sc_{0.5}Ta_{0.5})O_{3} Composite

52%
Czyżak B., Stankowski J., Hilczer B., Krupski M., Morawski P., Andrzejewski B., Marfaing J., Régnier S., Caranoni C.
Acta Physica Polonica A
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1997
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vol. 91
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issue 6
1103-1109
EN
The ferroelectric relaxor Pb(Sc_{0.5}Ta_{0.5})O_{3}-superconductor YBa_{2}Cu_{3}O_{7-δ} 50% in weight composite exhibits the onset critical temperature T_{c}=95 K. High pressure studies yield the factor dT_{c}/dp of 1.0 K/GPa, close to the value observed for a pure YBa_{2}Cu_{3}O_{7-δ} compound. The microwave absorption studies show the significant role of the intergrain weak links.
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